/*-------------------------------------------------------------------------
    Simple distributed database engine
    Copyright (C) 2012  Sylvain Hallé

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -------------------------------------------------------------------------*/
package Engine.src.ca.uqac.dim.turtledb;

public class GraphvizQueryFormatter
{
  /**
   * Serializes a relation as a DOM document.
   * @param q The relation to serialize
   * @return The resulting XML document
   */
  public static String toGraphviz(Relation q)
  {
    GraphvizQueryVisitor v = new GraphvizQueryVisitor();
    try
    {
      q.accept(v);
    }
    catch (EmptyQueryVisitor.VisitorException e)
    {
      e.printStackTrace();
    }
    return v.getGraphviz();
  }  
}
